In 2025, 265 US boys were named Marcello, making it the 900th most common boys’ name of the year, up 104 places from #1,004 in 2024. That is 41 more than the 224 boys named Marcello in 2024. Its best rank for boys was #795, reached in 1981. The most boys given the name in a single year was 265, in 2025. For comparison, it was #1,197 in 2015 and #2,284 in 1950.
Social Security card records list Marcello in 109 years of the 146 from 1880 to 2025, starting in 1912 with 5 babies. In all, 6,618 US babies have been given the name, 0.2% of them girls and 99.8% boys. Its busiest decade was the 2010s, with 1,556 babies named Marcello.
Over the 10 years from 2016 to 2025, 1,657 US boys were named Marcello; the busiest of those years was 2025, with 265. In 2025 that was about 1 in 6,446 of the boys in SSA’s list for the year.
Among the states, Marcello ranked highest in Arizona in 2025, at #480 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Marcel (21,123 babies since 1880), Marcelo (13,231 babies since 1880), Marcellus (9,608 babies since 1880) and Marcelino (7,476 babies since 1880).